<!DOCTYPE html>
<html>
<head>
	<title></title>
</head>
<body>
<form enctype="multipart/form-data" method="post" action="<?php echo site_url('device/demo/img');?>">
	<input type="file" name="file[]" ></input>
	<input type="file" name="file[]" ></input>
	<input type="file" name="file[]" ></input>
	<input type="file" name="file[]" ></input>
	<input type="file" name="file[]" ></input>
	<input type="submit" value="go"></input>
</form>
</body>
</html>